Question about Marshall Amplification Marshall MG250DFX 100W Guitar Combo Amplifier
The output transistors PC board (smaller board) , which the heat sink is attached to near the fan, when attached the heat sink may touch the PC board traces, causing the board or transistors voltage to short. A Design defect. Or the output transistors may be burned up, replace fan, transistor s or both.
Posted on Feb 27, 2015
I rather suspect IC1 TDA7293 is the cause of your problem. If this is the case you will need to check the speaker/s
Posted on Nov 12, 2014
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Posted on Jan 02, 2017
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